81713280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 256

約数和(自身を含む): 293466240

約数和(自身を除く): 211752960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 53, 55, 60, 64, 66, 73, 80, 88, 96, 106, 110, 120, 128, 132, 146, 159, 160, 165, 176, 192, 212, 219, 220, 240, 264, 265, 292, 318, 320, 330, 352, 365, 384, 424, 438, 440, 480, 528, 530, 583, 584, 636, 640, 660, 704, 730, 795, 803, 848, 876, 880, 960, 1056, 1060, 1095, 1166, 1168, 1272, 1320, 1408, 1460, 1590, 1606, 1696, 1749, 1752, 1760, 1920, 2112, 2120, 2190, 2332, 2336, 2409, 2544, 2640, 2915, 2920, 3180, 3212, 3392, 3498, 3504, 3520, 3869, 4015, 4224, 4240, 4380, 4664, 4672, 4818, 5088, 5280, 5830, 5840, 6360, 6424, 6784, 6996, 7008, 7040, 7738, 8030, 8480, 8745, 8760, 9328, 9344, 9636, 10176, 10560, 11607, 11660, 11680, 12045, 12720, 12848, 13992, 14016, 15476, 16060, 16960, 17490, 17520, 18656, 19272, 19345, 20352, 21120, 23214, 23320, 23360, 24090, 25440, 25696, 27984, 28032, 30952, 32120, 33920, 34980, 35040, 37312, 38544, 38690, 42559, 46428, 46640, 46720, 48180, 50880, 51392, 55968, 58035, 61904, 64240, 69960, 70080, 74624, 77088, 77380, 85118, 92856, 93280, 96360, 101760, 102784, 111936, 116070, 123808, 127677, 128480, 139920, 140160, 154176, 154760, 170236, 185712, 186560, 192720, 212795, 223872, 232140, 247616, 255354, 256960, 279840, 308352, 309520, 340472, 371424, 373120, 385440, 425590, 464280, 495232, 510708, 513920, 559680, 619040, 638385, 680944, 742848, 770880, 851180, 928560, 1021416, 1119360, 1238080, 1276770, 1361888, 1485696, 1541760, 1702360, 1857120, 2042832, 2476160, 2553540, 2723776, 3404720, 3714240, 4085664, 5107080, 5447552, 6809440, 7428480, 8171328, 10214160, 13618880, 16342656, 20428320, 27237760, 40856640, 81713280]

約数ペア:

[(1, 81713280), (2, 40856640), (3, 27237760), (4, 20428320), (5, 16342656), (6, 13618880), (8, 10214160), (10, 8171328), (11, 7428480), (12, 6809440), (15, 5447552), (16, 5107080), (20, 4085664), (22, 3714240), (24, 3404720), (30, 2723776), (32, 2553540), (33, 2476160), (40, 2042832), (44, 1857120), (48, 1702360), (53, 1541760), (55, 1485696), (60, 1361888), (64, 1276770), (66, 1238080), (73, 1119360), (80, 1021416), (88, 928560), (96, 851180), (106, 770880), (110, 742848), (120, 680944), (128, 638385), (132, 619040), (146, 559680), (159, 513920), (160, 510708), (165, 495232), (176, 464280), (192, 425590), (212, 385440), (219, 373120), (220, 371424), (240, 340472), (264, 309520), (265, 308352), (292, 279840), (318, 256960), (320, 255354), (330, 247616), (352, 232140), (365, 223872), (384, 212795), (424, 192720), (438, 186560), (440, 185712), (480, 170236), (528, 154760), (530, 154176), (583, 140160), (584, 139920), (636, 128480), (640, 127677), (660, 123808), (704, 116070), (730, 111936), (795, 102784), (803, 101760), (848, 96360), (876, 93280), (880, 92856), (960, 85118), (1056, 77380), (1060, 77088), (1095, 74624), (1166, 70080), (1168, 69960), (1272, 64240), (1320, 61904), (1408, 58035), (1460, 55968), (1590, 51392), (1606, 50880), (1696, 48180), (1749, 46720), (1752, 46640), (1760, 46428), (1920, 42559), (2112, 38690), (2120, 38544), (2190, 37312), (2332, 35040), (2336, 34980), (2409, 33920), (2544, 32120), (2640, 30952), (2915, 28032), (2920, 27984), (3180, 25696), (3212, 25440), (3392, 24090), (3498, 23360), (3504, 23320), (3520, 23214), (3869, 21120), (4015, 20352), (4224, 19345), (4240, 19272), (4380, 18656), (4664, 17520), (4672, 17490), (4818, 16960), (5088, 16060), (5280, 15476), (5830, 14016), (5840, 13992), (6360, 12848), (6424, 12720), (6784, 12045), (6996, 11680), (7008, 11660), (7040, 11607), (7738, 10560), (8030, 10176), (8480, 9636), (8745, 9344), (8760, 9328)]